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Large-scale vegetative propagation of lasiococca comberi by air layering

Lasiococca comberi (Euphorbiaceae), a threatened forest tree species of Eastern Ghats of India, has inherent problems of seed germination and seedling establishment in nature. To overcome this problem and to facilitate large-scale production of planting materials for reintroduction programmes to aug...

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Main Authors: Kamila, P. K., Panda, P. C.
Format: Journal Contribution
Language:English
Published: 2022
Subjects:
Euphorbiaceae
Forest trees
Species threatened with extinction
Vegetative propagation
Air layering
Auxins
Rooting
Naphthaleneacetic acid
Indoleacetic acid
Survival
Costs
Germplasm conservation
Online Access:http://agris.upm.edu.my:8080/dspace/handle/0/20937
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spelling oai:http:--agris.upm.edu.my:0-20937Large-scale vegetative propagation of lasiococca comberi by air layeringKamila, P. K.Panda, P. C.EuphorbiaceaeForest treesSpecies threatened with extinctionVegetative propagationAir layeringAuxinsRootingNaphthaleneacetic acidIndoleacetic acidSurvivalCostsGermplasm conservationLasiococca comberi (Euphorbiaceae), a threatened forest tree species of Eastern Ghats of India, has inherent problems of seed germination and seedling establishment in nature. To overcome this problem and to facilitate large-scale production of planting materials for reintroduction programmes to augment the wild populations of this threatened species, an attempt has been made to develop an efficient vegetative propagation method through air layering. Three types of auxins such as indole-3-butyric acid (IBA), indole acetic acid (IAA) and naphthalene acetic acid (NAA) in different concentrations and combinations were used to induce rooting in stems of healthy mature trees in forests during rainy season. Air-layered branches treated with 5000 ppm IBA resulted in maximum percentage of rooting (95.23 ± 7.6%), maximum number (14.50 ± 1.9) and length of roots (12.5 ± 1.0 cm), minimum days taken for root initiation (18.5 ± 0.5 days) and highest percentage of survival of air-layered propagules. The well-rooted branches were transplanted in polybags under mist house conditions for acclimatisation and hardening before field planting. The result of the present study can be useful for mass production of large-sized planting materials of this threatened species from mature trees in a relatively shorter period at a reasonable cost for reintroduction to natural habitats as a part of species recovery programme.2022-05-27T05:51:11Z2022-05-27T05:51:11Z2019Journal ContributionArticleNon-RefereedJournal of Tropical Forest Science (Malaysia), 31 (1), p. 37-420128-1283http://agris.upm.edu.my:8080/dspace/handle/0/20937MY2022050709enhttps://info.frim.gov.my/infocenter_applications/jtfsonline/jtfs/v31n1/037-042.pdfIndiahttp://www.oceandocs.org/license
institution AGRIS
collection AGRIS
language English
topic Euphorbiaceae
Forest trees
Species threatened with extinction
Vegetative propagation
Air layering
Auxins
Rooting
Naphthaleneacetic acid
Indoleacetic acid
Survival
Costs
Germplasm conservation
spellingShingle Euphorbiaceae
Forest trees
Species threatened with extinction
Vegetative propagation
Air layering
Auxins
Rooting
Naphthaleneacetic acid
Indoleacetic acid
Survival
Costs
Germplasm conservation
Kamila, P. K.
Panda, P. C.
Large-scale vegetative propagation of lasiococca comberi by air layering
description Lasiococca comberi (Euphorbiaceae), a threatened forest tree species of Eastern Ghats of India, has inherent problems of seed germination and seedling establishment in nature. To overcome this problem and to facilitate large-scale production of planting materials for reintroduction programmes to augment the wild populations of this threatened species, an attempt has been made to develop an efficient vegetative propagation method through air layering. Three types of auxins such as indole-3-butyric acid (IBA), indole acetic acid (IAA) and naphthalene acetic acid (NAA) in different concentrations and combinations were used to induce rooting in stems of healthy mature trees in forests during rainy season. Air-layered branches treated with 5000 ppm IBA resulted in maximum percentage of rooting (95.23 ± 7.6%), maximum number (14.50 ± 1.9) and length of roots (12.5 ± 1.0 cm), minimum days taken for root initiation (18.5 ± 0.5 days) and highest percentage of survival of air-layered propagules. The well-rooted branches were transplanted in polybags under mist house conditions for acclimatisation and hardening before field planting. The result of the present study can be useful for mass production of large-sized planting materials of this threatened species from mature trees in a relatively shorter period at a reasonable cost for reintroduction to natural habitats as a part of species recovery programme.
format Journal Contribution
author Kamila, P. K.
Panda, P. C.
author_facet Kamila, P. K.
Panda, P. C.
author_sort Kamila, P. K.
title Large-scale vegetative propagation of lasiococca comberi by air layering
title_short Large-scale vegetative propagation of lasiococca comberi by air layering
title_full Large-scale vegetative propagation of lasiococca comberi by air layering
title_fullStr Large-scale vegetative propagation of lasiococca comberi by air layering
title_full_unstemmed Large-scale vegetative propagation of lasiococca comberi by air layering
title_sort large-scale vegetative propagation of lasiococca comberi by air layering
publishDate 2022
url http://agris.upm.edu.my:8080/dspace/handle/0/20937
_version_ 1819285488835493888
score 13.4562235

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